the navy believes that drone came apart as designed and sank. among other countries that use this drone in the area, the united arab emirates and kuwait and this is a very low tech product that essentially is a flying camera with a transmitter and the iranians may not be aware this particular drone was originally designed to monitor fishing boats do make sure they were catching dolphin-free tuna. >>shepard: last time the iranians claimed they captured an american drone they captured an american drone. >>reporter: they did. but we have to keep in mind they have a history of being less-than-truthful. they have claimed on a number of occasions they captured an american drone and that was not the case. interestingly a year ago to the day they claimed they captured a c.i.a. drone that was said they hacked into the navigation system which was far more sophisticated. this drone can gather electronic data. washington asked for it back and iran refuse asked last month there was another incident when iran claimed a drone violated airspace and the pentagon